Tags placed in the head of an HTML document which provide information about the document itself. Meta tags can control whether information is to be passed to a browser, or remain internal. Some other uses for meta tags include providing keywords to help a web page show up in search engine listings. Syntax: <meta name="keywords" content="keyword1, keyword2,
keyword3..."> It is also possible to provide a description which many search engines include in their indexes. Syntax: < meta name="description" content ="The description of the web page content goes here.">

Modem

Modulator/Demodulator. Device which turns digital data into analogue signals and vice versa. A modem allows a computer to send data over telephone lines and dial into the Internet. It can also be used to send faxes or serve as an answering machine.

MP3

Type of audio compression. When an uncompressed sound file is compressed using MP3, the file size is decreased to roughly one-tenth of the original size with little loss of quality. This makes MP3 an ideal compression format for many multimedia applications. See also: Lossy Compression

MPEG

Moving Picture Experts Group. A set of compression standards for audio and video data which is used by VideoCDs and VideoDVDs. The MPEG group forms a part of the International Organization for Standardization and releases new compression standards.

MySQL

My Structured Query Language. MySQL is an open source relational database management system that uses SQL to manage data in a database. As with all open source software, everybody is free to use and modify mySQL according to the General Public License. Speed, reliability, and flexibility are the benefits of mySQL. Supported operating systems include Linux, UNIX, and Windows. Many people are interested in mySQL as an alternative to the expensive proprietary database systems, such as those developed by Oracle and IBM. See also: SQL